Problem with windows update failing all OS related updates due to missing files

hi i cant perform any updates to the os Microsoft security essentials still get deffinition files tho ive managed to get a CheckSUR log of what the problem is and would hope that someone here knows how to fix it cos its driving me nutty

tried all the things you suggested but no luck the updates are still failing im reading through the technet article you suggested and hop it can help me but do you have any more suggestions before i pursue that route?